Data Sheet for Product
2
Siemens Industry, Inc.
A6V10801251
02.23.2018
Use
These applications measure the fume hood sash positions and calculate a total face area. The
face area is available for use both as a 0 to 10 V analog output or a digital signal for use with
DXR2 lab controllers.
● 2950 – slave mode (does not calculate face area)
● 2951 – Bench style fume hoods – 4 independent vertical sashes
● 2952 – Floor Mounted style fume hoods – 2 independent sets of 2 vertical sashes, one on
top of the other
● 2953 – Dual – Floor Mounted style fume hoods – 4 independent sets of 2 vertical sashes,
one on top of the other
● 2954 – Bench style fume hoods – 2 to 10 horizontal sashes
● 2955 – Bench style fume hoods – 1 vertical carrier with 2 to 9 horizontal sashes
● 2956 – Floor Mounted style fume hoods – 2 vertical sashes, with top sash having 2 to 8
horizontal sashes
● 2957 – Dual Bench style fume hoods – 2 vertical carries (non-overlapping) each with 2 to 4
horizontal sashes in the vertical carrier
● 2958 – Floor Mounted style fume hoods – 2 vertical sashes (overlapping), with each sash
having 2 to 4 horizontal sashes
NOTE:
Daisy chaining of two SOAMs together is supported for custom hoods with a large number of
sashes.
Be aware that this will slightly increase response time to sash movements.
Functions
LED support for communications and operational status.
● Communication only with DXR2
● Calibration status or failed sensor
Local HMI tool port to interact with the technicians.
Type summary
Type Stock number Inputs Outputs
DXA.S12C S55376-C138 10 sash (resistance), 1 AI
(0 to 10V)
1 AO (0 to 10V), 1 Digital comm. (sensor bus)
Accessories
50" Retracting Cable Sash Sensor 546-04000
80" Retracting Cable Sash Sensor 546-04001
30” Vertical UniTrak Sash Kit 546-00490
32” Vertical UniTrak Sash Kit 546-00489
35” Vertical UniTrak Sash Kit 546-00488
40” Vertical UniTrak Sash Kit 546-00487
44” Vertical UniTrak Sash Kit 546-00486